.a_log{
    text-align:center;
}
.a_center
{ text-align:center;  }
.testButton { text-align: right;color:rgb(255, 255, 255);
    font-size:14px;padding-top:10px;padding-bottom:10px;padding-left:25px;padding-right:25px;border-width:2px;border-color:rgb(197, 229, 145);
    border-style:solid;border-radius:0px;background-color:rgb(120, 195, 0);}
#testButton:hover{color:#ffffff;background-color:#78c300;border-color:#c5e591;}
.a_h3{
    margin: 0;padding: 0;line-height: 1.5em;font-family: Tahoma, Geneva, sans-serif;font-size: 22px;color: #6f6f6f;

}
.a_h2{
    margin: 0;padding: 0;line-height: 1.5em;font-family: Verdana, Geneva, sans-serif;font-size: 32px;color: #ffffff;background: #005b7f;
}
.testButton{margin:0 35px}
.all{
    margin:0px 150px 150px 150px;
}
.Choice1{  color: rgb(0, 0, 0); font-family: "微软雅黑",Arial; font-size: 18px;
}